That log file you found was from over a year ago and it looks like the BNF site
has been altered since.

You will probably need to disable robots.txt (and set reasonable limits on
threads and speed!) but also there are log in prompts so you will need a
username/password and to try some log-in capture methods.


<http://forum.httrack.com/readmsg/10597/index.html?pid=10577>
<http://forum.httrack.com/readmsg/10725/index.html?pid=10691>
<http://forum.httrack.com/readmsg/9590/index.html?pid=9556>